CN106007698A - Wide-temperature-range high-frequency low-loss magnetic material and preparing technology thereof - Google Patents

Wide-temperature-range high-frequency low-loss magnetic material and preparing technology thereof Download PDF

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CN106007698A
CN106007698A CN201610320061.5A CN201610320061A CN106007698A CN 106007698 A CN106007698 A CN 106007698A CN 201610320061 A CN201610320061 A CN 201610320061A CN 106007698 A CN106007698 A CN 106007698A
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formula
frequency low
oxide
wide
temperature
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李前军
颜茂山
杜兴龙
徐宸
袁翔
季长贵
马鑫圣
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Taizhou Maoxiang Electronic Equipment & Materials Co Ltd
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Taizhou Maoxiang Electronic Equipment & Materials Co Ltd
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Abstract

The invention relates to a wide-temperature-range high-frequency low-loss magnetic material. The basic formula of the material comprises ferric oxide, manganous-manganic oxide and zinc oxide, and on the basis, a plurality of additives are added. A preparing technology of the wide-temperature-range high-frequency low-loss magnetic material includes the steps that detection analysis is carried out, the materials are mixed and subjected to procedures of vibration grinding, piece rolling, shaping, pre-sintering, coarse smashing, fine smashing, pulping, formula analysis and adjustment, spraying prilling and the like, and powder is prepared; a corresponding ferrite magnetic core is manufactured with qualified materials, wherein the main technological procedures for manufacturing the magnetic core include powder wetting, forming, sintering, grinding, cleaning, separate measuring and packaging. Compared with the prior art, the wide-temperature-range high-frequency low-loss magnetic material and the preparing technology have the advantages that the initial magnetic permeability of the obtained material is low, the loss rate of the magnetic core is low, dropping of the initial magnetic permeability mu<i> is low, and the requirement that the soft magnetic material has the better wide temperature characteristic and the high-frequency low-power-loss characteristics is achieved.

Description

A kind of wide temperature high frequency low loss magnetic materials and preparation technology thereof
Technical field
The present invention relates to a kind of wide temperature high frequency low loss magnetic materials.
The present invention relates to the preparation technology of a kind of wide temperature high frequency low loss magnetic materials.
Background technology
At present, the development trend of electronic communications network (ECN) especially mobile network's high frequency is the most fast Suddenly, due to increase and the raising of technology of function, to its power supply soft magnetic ferrite Characteristic requirements is had higher requirement, and i.e. requires that soft magnetic materials possesses the widest temperature characteristics Characteristic with high-frequency low-power loss, it is desirable to properties of materials index reaches: initial magnetic permeability: About 2000, and initial magnetic permeability when comparing 25 DEG C, fall no more than 10% when-25 DEG C； Core loss: test condition is: 500kc, 50mT, technology require when being 25 DEG C About 150KW/m3, at about 130KW/m3 when 80 DEG C, at 125KW/m3 when 100 DEG C Left and right, and the material used at present cannot ensure to produce in batches the product meeting this requirement, Therefore a kind of novel soft magnetic ferrite need to be researched and developed to adapt to this kind of requirement.
Summary of the invention
The present invention provides a kind of wide temperature high frequency low loss magnetic materials.
The present invention provides the preparation technology of a kind of wide temperature high frequency low loss magnetic materials.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of wide temperature high frequency low loss magnetic materials, the formula of material is by ferrum oxide, four oxidations Three manganese and three kinds of main raw material(s) formation base formula of zinc oxide also add several on this basis Additive is constituted, and its formula compositing range is as follows:
Ferrum oxide (Fe2O3): 69.5～71.5wt%；
Mangano-manganic oxide (Mn3O4): 22.0～24.0wt%；
Zinc oxide (ZnO): 4.5～6.5wt%；
Silicon dioxide (SiO2): 50～150ppm；
Calcium carbonate (CaCO3): 200～600ppm；
Cobalto-cobaltic oxide (Co3O4): 2000～4500ppm；
Phosphorus pentoxide (P2O5): 20～400ppm；
Tin ash (SnO2): 0～1500ppm；
Sodium bicarbonate (NaHCO3): 0～400ppm；
Zirconium dioxide (ZrO2): 150～400ppm；
Titanium dioxide (TiO2): 1500～3500ppm；
Tantalum pentoxide (Ta2O5): 0～400ppm；
Three oxygen molybdenum oxide (MoO3): 0～500ppm.
The relevant content of technique scheme is explained as follows:
In technique scheme, ferrum oxide (Fe2O3) optimum range: 69.93～70.93wt%； Mangano-manganic oxide (Mn3O4) optimum range: 23.87～24.0wt%；Zinc oxide (ZnO) Optimum range: 4.92～6.4wt%.
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials, first to from qualified point of confession The physicochemical characteristics of the formula composition material that side buys carries out detection and analyzes, and meets regulation and wants After asking, after being mixed by composition material by formula proportion, through vibration, roll sheet, shaping, pre- Burning, coarse pulverization, finely divided, slurrying, formulation analysis produce work with adjustment, mist projection granulating etc. After process flow, prepared by the powder body completing soft magnetic ferrite, by the pressure testing to powder body Burn test with examination and detect and analyze, completing the judgement whether qualified to material property, use and close The material of lattice carries out the manufacture of corresponding FERRITE CORE, and the technical process of magnetic core manufacture is: Powder body damping, molding, sinter, grind, clean, point survey, packaging.
Owing to technique scheme is used, the present invention compared with prior art has following excellent Point:
Resulting materials initial magnetic permeability is low, and core loss rate is low, initial permeability μiFall low, Reach soft magnetic materials and possess the wanting of characteristic of preferably wide temperature characteristics and high-frequency low-power loss Ask.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment one:
A kind of wide temperature high frequency low loss magnetic materials of the present invention, the formula of material is by aoxidizing Ferrum, mangano-manganic oxide and three kinds of main raw material(s) formation base formula of zinc oxide are the most basic at this Several additives of upper addition are constituted, and its formula compositing range is as follows:
Ferrum oxide (Fe2O3): 69.93g；
Mangano-manganic oxide (Mn3O4): 23.9g；
Zinc oxide (ZnO): 6.4g；
Silicon dioxide (SiO2): 0.005g；
Calcium carbonate (CaCO3): 0.04g；
Cobalto-cobaltic oxide (Co3O4): 0.36g；
Phosphorus pentoxide (P2O5): 0.002g；
Tin ash (SnO2): 0.1g；
Sodium bicarbonate (NaHCO3): 0.01g；
Zirconium dioxide (ZrO2): 0.02g；
Titanium dioxide (TiO2): 0.2g；
Tantalum pentoxide (Ta2O5):0.015g。
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials, first to from qualified point of confession The physicochemical characteristics of the formula composition material that side buys carries out detection and analyzes, and meets regulation and wants After asking, after being mixed by composition material by formula proportion, through vibration, roll sheet, shaping, pre- Burning, coarse pulverization, finely divided, slurrying, formulation analysis produce work with adjustment, mist projection granulating etc. After process flow, prepared by the powder body completing soft magnetic ferrite, by the pressure testing to powder body Burn test with examination and detect and analyze, completing the judgement whether qualified to material property, use and close The material of lattice carries out the manufacture of corresponding FERRITE CORE, and the technical process of magnetic core manufacture is: Powder body damping, molding, sinter, grind, clean, point survey, packaging.
Embodiment two:
A kind of wide temperature high frequency low loss magnetic materials of the present invention, the formula of material is by aoxidizing Ferrum, mangano-manganic oxide and three kinds of main raw material(s) formation base formula of zinc oxide are the most basic at this Several additives of upper addition are constituted, and its formula compositing range is as follows:
Ferrum oxide (Fe2O3): 70.31g；
Mangano-manganic oxide (Mn3O4): 23.87g；
Zinc oxide (ZnO): 6.12g；
Silicon dioxide (SiO2): 0.006g；
Calcium carbonate (CaCO3): 0.05g；
Cobalto-cobaltic oxide (Co3O4): 0.45g；
Phosphorus pentoxide (P2O5): 0.003g；
Tin ash (SnO2): 0.15g；
Sodium bicarbonate (NaHCO3): 0.01g；
Zirconium dioxide (ZrO2): 0.023g；
Titanium dioxide (TiO2): 0.15g；
Tantalum pentoxide (Ta2O5):0.02g；
Three oxygen molybdenum oxide (MoO3):0.02g。
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials, first to from qualified point of confession The physicochemical characteristics of the formula composition material that side buys carries out detection and analyzes, and meets regulation and wants After asking, after being mixed by composition material by formula proportion, through vibration, roll sheet, shaping, pre- Burning, coarse pulverization, finely divided, slurrying, formulation analysis produce work with adjustment, mist projection granulating etc. After process flow, prepared by the powder body completing soft magnetic ferrite, by the pressure testing to powder body Burn test with examination and detect and analyze, completing the judgement whether qualified to material property, use and close The material of lattice carries out the manufacture of corresponding FERRITE CORE, and the technical process of magnetic core manufacture is: Powder body damping, molding, sinter, grind, clean, point survey, packaging.
Embodiment three:
A kind of wide temperature high frequency low loss magnetic materials of the present invention, the formula of material is by aoxidizing Ferrum, mangano-manganic oxide and three kinds of main raw material(s) formation base formula of zinc oxide are the most basic at this Several additives of upper addition are constituted, and its formula compositing range is as follows:
Ferrum oxide (Fe2O3): 70.60g；
Mangano-manganic oxide (Mn3O4): 24.0g；
Zinc oxide (ZnO): 4.92g；
Silicon dioxide (SiO2): 0.007g；
Calcium carbonate (CaCO3): 0.055g；
Cobalto-cobaltic oxide (Co3O4): 0.35g；
Phosphorus pentoxide (P2O5): 0.005g；
Tin ash (SnO2): 0.12g；
Zirconium dioxide (ZrO2): 0.03g；
Titanium dioxide (TiO2): 0.19g；
Tantalum pentoxide (Ta2O5):0.015g；
Three oxygen molybdenum oxide (MoO3):0.02g。
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials, first to from qualified point of confession The physicochemical characteristics of the formula composition material that side buys carries out detection and analyzes, and meets regulation and wants After asking, after being mixed by composition material by formula proportion, through vibration, roll sheet, shaping, pre- Burning, coarse pulverization, finely divided, slurrying, formulation analysis produce work with adjustment, mist projection granulating etc. After process flow, prepared by the powder body completing soft magnetic ferrite, by the pressure testing to powder body Burn test with examination and detect and analyze, completing the judgement whether qualified to material property, use and close The material of lattice carries out the manufacture of corresponding FERRITE CORE, and the technical process of magnetic core manufacture is: Powder body damping, molding, sinter, grind, clean, point survey, packaging.
Embodiment four:
A kind of wide temperature high frequency low loss magnetic materials of the present invention, the formula of material is by aoxidizing Ferrum, mangano-manganic oxide and three kinds of main raw material(s) formation base formula of zinc oxide are the most basic at this Several additives of upper addition are constituted, and its formula compositing range is as follows:
Ferrum oxide (Fe2O3): 70.93g；
Mangano-manganic oxide (Mn3O4): 23.87g；
Zinc oxide (ZnO): 5.29g；
Silicon dioxide (SiO2): 0.01g；
Calcium carbonate (CaCO3): 0.045g；
Cobalto-cobaltic oxide (Co3O4): 0.4g；
Phosphorus pentoxide (P2O5): 0.005g；
Tin ash (SnO2): 0.08g；
Zirconium dioxide (ZrO2): 0.025g；
Titanium dioxide (TiO2): 0.22g；
Three oxygen molybdenum oxide (MoO3):0.02g。
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials, first to from qualified point of confession The physicochemical characteristics of the formula composition material that side buys carries out detection and analyzes, and meets regulation and wants After asking, after being mixed by composition material by formula proportion, through vibration, roll sheet, shaping, pre- Burning, coarse pulverization, finely divided, slurrying, formulation analysis produce work with adjustment, mist projection granulating etc. After process flow, prepared by the powder body completing soft magnetic ferrite, by the pressure testing to powder body Burn test with examination and detect and analyze, completing the judgement whether qualified to material property, use and close The material of lattice carries out the manufacture of corresponding FERRITE CORE, and the technical process of magnetic core manufacture is: Powder body damping, molding, sinter, grind, clean, point survey, packaging.
Embodiment five:
A kind of wide temperature high frequency low loss magnetic materials of the present invention, the formula of material is by aoxidizing Ferrum, mangano-manganic oxide and three kinds of main raw material(s) formation base formula of zinc oxide are the most basic at this Several additives of upper addition are constituted, and its formula compositing range is as follows:
Ferrum oxide (Fe2O3): 70.69g；
Mangano-manganic oxide (Mn3O4): 23.97g；
Zinc oxide (ZnO): 5.52g；
Silicon dioxide (SiO2): 0.008g；
Calcium carbonate (CaCO3): 0.06g；
Cobalto-cobaltic oxide (Co3O4): 0.41g；
Phosphorus pentoxide (P2O5): 0.003g；
Tin ash (SnO2): 0.15g；
Sodium bicarbonate (NaHCO3): 0.005g；
Zirconium dioxide (ZrO2): 0.03g；
Titanium dioxide (TiO2): 0.22g；
Tantalum pentoxide (Ta2O5):0.01g；
Three oxygen molybdenum oxide (MoO3):0.03g。
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials, first to from qualified point of confession The physicochemical characteristics of the formula composition material that side buys carries out detection and analyzes, and meets regulation and wants After asking, after being mixed by composition material by formula proportion, through vibration, roll sheet, shaping, pre- Burning, coarse pulverization, finely divided, slurrying, formulation analysis produce work with adjustment, mist projection granulating etc. After process flow, prepared by the powder body completing soft magnetic ferrite, by the pressure testing to powder body Burn test with examination and detect and analyze, completing the judgement whether qualified to material property, use and close The material of lattice carries out the manufacture of corresponding FERRITE CORE, and the technical process of magnetic core manufacture is: Powder body damping, molding, sinter, grind, clean, point survey, packaging.
Table 1: with current material Performance comparision
Only have MP5W material can meet this type of each side as can be seen from Table 1 simultaneously Requirement.
Table 2: standard specimen ring performance synopsis made by embodiment and reference examples material
It can thus be appreciated that resulting materials initial magnetic permeability is low, core loss rate is low, initial permeability μiFall low, reach soft magnetic materials and possess what preferably width temperature characteristics and high-frequency low-power were lost The requirement of characteristic.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow Person skilled in the art will appreciate that present disclosure and implements according to this, can not be with This limits the scope of the invention.All equivalence changes made according to spirit of the invention Or modify, all should contain within protection scope of the present invention.

Claims (3)

1. one kind wide temperature high frequency low loss magnetic materials, it is characterised in that: the formula of described material by Ferrum oxide, mangano-manganic oxide and three kinds of main raw material(s) formation base formula of zinc oxide at this On the basis of add several additives constitute, its formula compositing range is as follows:
A kind of wide temperature high frequency low loss magnetic materials the most according to claim 1, its feature exists In: described ferrum oxide (Fe2O3) optimum range: 69.93～70.93wt%；Four oxidations three Manganese (Mn3O4) optimum range: 23.87～24.0wt%；Zinc oxide (ZnO) optimal Scope: 4.92～6.4wt%.
The preparation technology of a kind of wide temperature high frequency low loss magnetic materials the most according to claim 1, It is characterized in that: the first physical chemistry to the formula composition material bought from qualified point of supplier Characteristic carries out detection and analyzes, and after meeting regulation requirement, is mixed by composition material by formula proportion After, through vibration, roll sheet, shaping, pre-burning, coarse pulverization, finely divided, slurrying, formula After the technological process of productions such as analysis and adjustment, mist projection granulating, complete soft magnetic ferrite Powder body prepare, by the pressure testing of powder body and examination being burnt test and detecting and analyze, it is right to complete The judgement that whether qualified material property is, uses qualified material to carry out corresponding FERRITE CORE Manufacturing, the technical process of magnetic core manufacture is: powder body damping, molding, sinter, grind, Cleaning, point survey, packaging.
CN201610320061.5A 2016-05-13 2016-05-13 Wide-temperature-range high-frequency low-loss magnetic material and preparing technology thereof Pending CN106007698A (en)

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